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USPTO Patent Rankings Data through Dec 31, 2025
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Simon Langham — 3 Patents

DLDyson Technology Limited: 2 patents #357 of 668Top 55%
Barnstaple, GB: #3 of 24 inventorsTop 15%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Simon Langham has been granted 3 US patents. The first was granted in 2006 and the most recent in December 2018. Simon Langham ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Simon Langham in Barnstaple, GB.

Patents per Year

Patents granted per year, 2006 to 2018Bar chart with a peak of 1 patents in 2006.peak 12006: 1 patents20062011: 1 patents20112018: 1 patents2018

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D836497 Wheeled transporter for carrying children — 2018-12-25
7861368 Vacuum cleaning head Paul Cedric Campbell Hackwell 2011-01-04
D515756 Floor tool for a cleaning appliance Matthew James Roger Allard, David Smith, Wen Tong Chong 2006-02-21

Frequent Collaborators

Paul Cedric Campbell Hackwell1 shared
Matthew James Roger Allard1 shared
David Smith1 shared
Wen Tong Chong1 shared

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Debbie Maloyd3
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Paul Sabatka3
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